| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [adv] have been [v-ing] | 13 |
|
| 2 | [noun sg] [adv] have been [v-ing] | 13 |
|
| 3 | [noun] [adv] had been [v-ing] | 11 |
|
| 4 | [noun] [adv] have been [v-ing] | 9 |
|
| 5 | [noun] [adv] has been [v-ing] | 9 |
|
| 6 | [noun] before have been [v-ing] | 7 |
|
